Помогите решить уравнения. Пожалуйста! Заранее спасибо.
1) (2x) : 9 = 2[tex] \frac{1}{3} [/tex] : 5[tex] \frac{1}{4} [/tex]
2) 1[tex] \frac{1}{5} [/tex] : 1 = (2x) : [tex] \frac{2}{3} [/tex]
3) 1,25 : 0,4 = 1,35 : (0,3x)

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